private void detach_ChiTietDatHangs(ChiTietDatHang entity) { this.SendPropertyChanging(); entity.DonDatHang = null; }
partial void DeleteChiTietDatHang(ChiTietDatHang instance);
partial void InsertChiTietDatHang(ChiTietDatHang instance);
partial void UpdateChiTietDatHang(ChiTietDatHang instance);
private void attach_ChiTietDatHangs(ChiTietDatHang entity) { this.SendPropertyChanging(); entity.HangHoa = this; }